It sounds like the gyno was something that occurred naturally, not from steroids. If it was steroid related, then I doubt he was have shared it on his biography.
Being self-conscious about the gyno probably pushed him to build his body like that.

In any case, now that we know who's playing Kyle, I really want the show to get a second season.

It won't, R17. The ratings aren't anywhere near good enough.

Do you think Victor Garber has hit that yet?

Pay attention, R19. When Garber's in NY he only has threeways with new sex partners with his bf, model Casper Andreesen.